<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        h1{
            margin-top: 100px;
        }
        .box{
            width: 800px;
            height: 400px;
            /*border: 1px solid red;*/
            margin-left: 300px;: ;
        }
        .box1,.box2,.box3{
            margin-left:40px;
            margin-top: 40px;
            line-height: 50px;
        }
        .box1{
            /*display: inline-block;*/
            width: 100px;
            height: 50px;
            background: linear-gradient(to right, #dbf7f6, #b5edf4);
            float: left;
        }
        .box2{
            /*display: inline-block;*/
            width: 100px;
            height: 50px;
            background-color: yellow;
            float: left;
            background: linear-gradient(to right, #fbf7c3, #faf39e);
        }
        .box3{
            /*display: inline-block;*/
            width: 100px;
            height: 50px;
            background-color: grey;
            color: #b1b1b1;
            float: left;
        }
    </style>
</head>
<body style="text-align: center;">
<div class="box11">
<h1 style="text-align: center">产品核心特征</h1>
<div class="box">
<div class="box1">快速充电</div>
<div class="box2">超长续航</div>
<div class="box1">防火防尘</div>
<div class="box1">高清显示</div>
<div class="box3">无线充电</div>
<div class="box1">人脸识别</div>
<div class="box1">双卡支持</div>
<div class="box2">5G网络</div>
<div class="box1">NFC功能</div>
</div>
</div>
</body>
</html>